September weather forecastLa Portada, Chile

September

Weather in September

September, the first month of the spring in La Portada, is still a comfortable month, with an average temperature ranging between min 13°C (55.4°F) and max 18.7°C (65.7°F).

Temperature

The average high-temperature during September registers at a still enjoyable 18.7°C (65.7°F), maintaining a close resemblance to the previous month. During the nights in September, the temperature averages to a moderate 13°C (55.4°F).

Humidity

The average relative humidity in September is 70%.

Rainfall

January through May, September through December are months without rainfall.

Daylight

In September, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 06:51 and sunset at 18:31 -04. On the last day of September, sunrise is at 07:22 and sunset at 19:40 -03.
Note: On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. Daylight Saving Time lasts until Sunday, 06. April 2025, at 00:00; consequently, the time zone reverts from -03 to -04.

Sunshine

The months with the most sunshine are February, September through December, with an average of 10h of sunshine.

UV index

March through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Exercise prevention - Warding off sunburn is urged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Updated: Aug 13, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in La Portada, records 18.7°C (65.7°F), while the low-temperature is 13°C (55.4°F).

The average relative humidity in September is 70%.

In La Portada, rain does not fall in January through May, September through December.

In September, it doesn't rain. August is the latest month when it rains.

In September, the average day length is 11h and 58min.

On the first day of September, sunrise is at 06:51 and sunset at 18:31 -04. On the last day of the month, sunrise is at 07:22 and sunset at 19:40 -03.

On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. DST ends on Sunday, 06. April 2025, at 00:00.

The months with the most sunshine in La Portada are February, September through December, with an average of 10h of sunshine.

In September, the average sunshine duration is 10h.

The months with the lowest UV index in La Portada are March through December, with an average maximum UV index of 5.

In La Portada, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

18.5°C

18.7°C

19.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.3km/h

13.1km/h

13.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

30.3

29.9

Average UV index

Average cloud cover

Average visibility

10km

Average temperature in September
La Portada, Chile

Average high temperature in September: 18.7°C

The warmest month (with the highest average high temperature) is February (23.7°C).
The month with the lowest average high temperature is July (18.3°C).

Average low temperature in September: 13°C

The month with the highest average low temperature is February (18.8°C).
The coldest month (with the lowest average low temperature) is August (12.6°C).

Average pressure in September
La Portada, Chile

Average pressure in September: 1014.9mbar

The month with the highest atmospheric pressure is July (1015.5mbar).
The month with the lowest atmospheric pressure is February (1012mbar).

Average wind speed in September
La Portada, Chile

Average wind speed in September: 12.6km/h

The windiest month (with the highest average wind speed) is December (12.8km/h).
The calmest months (with the lowest average wind speed) are May and June (10.9km/h).

Average humidity in September
La Portada, Chile

Average humidity in September: 70%

The months with the highest relative humidity are February, March and April (75%).
The months with the lowest relative humidity are June and July (67%).

Average rainfall in September
La Portada, Chile

Average rainfall in September: 0mm

The wettest months (with the highest rainfall) are June, July and August (1mm).
The driest months (with the least rainfall) are January, February, March, April, May, September, October, November and December (0mm).

Average rainfall days in September
La Portada, Chile

Average rainfall days in September: 0.4 days

The month with the highest number of rainy days is July (1.6 days).
The month with the least rainy days is November (0 days).

Average daylight in September /
Average sunshine in September
La Portada, Chile

Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).

Average sunshine in September: 10h and 0min

The months with the most sunshine are February, September, October, November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is July (Average sunshine: 9h and 48min).

Average sunshine days in September
La Portada, Chile

Average sunshine days in September: 29.9 days

The month with the most sunshine days is October (31 days).
The month with the least sunshine days is February (27.2 days).

Average UV index in September
La Portada, Chile

Average UV index in September: 5

The months with the highest UV index are January and February (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 5).

Average cloud cover in September
La Portada, Chile

Average cloud cover in September: 2

The month with the most cloud cover is February (Cloud cover 11).
The month with the least cloud cover is September (Cloud cover 2).

Average visibility in September
La Portada, Chile

Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).